Bug#961829: libghc-xmonad-dev: package is uninstallable due to unmet dependencies

[Ilias Tsitsimpis]

Hey Brian,

On Fri, May 29, 2020 at 06:20PM, Brian Paterni wrote:
>   $ sudo apt install libghc-xmonad-dev
> [...]
>   The following packages have unmet dependencies:
>    libghc-xmonad-dev : Depends: libghc-x11-dev-1.9-14ff7
>                        Depends: libghc-base-dev-4.12.0.0-a86a1 but it is not installable
>                        Depends: libghc-containers-dev-0.6.0.1-b7319 but it is not installable
>                        Depends: libghc-data-default-dev-0.7.1.1-96adc
>                        Depends: libghc-directory-dev-1.3.3.0-40647 but it is not installable
>                        Depends: libghc-extensible-exceptions-dev-0.1.1.4-1e168
>                        Depends: libghc-filepath-dev-1.4.2.1-774a0 but it is not installable
>                        Depends: libghc-mtl-dev-2.2.2-07ff1 but it is not installable
>                        Depends: libghc-process-dev-1.6.5.0-e8028 but it is not installable
>                        Depends: libghc-setlocale-dev-1.0.0.8-dd309
>                        Depends: libghc-unix-dev-2.7.2.2-dbe0e but it is not installable
>                        Depends: libghc-utf8-string-dev-1.0.1.1-e1b76
>                        Recommends: libghc-xmonad-contrib-dev but it is not going to be installed
>   E: Unable to correct problems, you have held broken packages.

We are aware of this. We are currently in the process of upgrading ghc
to 8.8.3 and the rest of the Haskell ecosystem to LTS 15, and until that
has finished, Haskell libraries may be uninstallable on unstable. In the
meantime, as a work-around, please consider using testing.

Thanks,

-- 
Ilias